JPS63195835A - Recording method for information on recording material - Google Patents
Recording method for information on recording materialInfo
- Publication number
- JPS63195835A JPS63195835A JP62026334A JP2633487A JPS63195835A JP S63195835 A JPS63195835 A JP S63195835A JP 62026334 A JP62026334 A JP 62026334A JP 2633487 A JP2633487 A JP 2633487A JP S63195835 A JPS63195835 A JP S63195835A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- recording material
- phosphorus
- information
- recorded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 28
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 47
- 229910052698 phosphorus Inorganic materials 0.000 claims description 23
- 239000011574 phosphorus Substances 0.000 claims description 23
- 239000013526 supercooled liquid Substances 0.000 claims description 12
- 238000002834 transmittance Methods 0.000 description 26
- 239000010408 film Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- QTAGQHZOLRFCBU-UHFFFAOYSA-N (R)-Oxypeucedanin Chemical compound CC1(C)OC1COC1=C(C=CO2)C2=CC2=C1C=CC(=O)O2 QTAGQHZOLRFCBU-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、通常のディジタル方式より高密度に情報を記
録する記録材料の情報記録方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an information recording method on a recording material that records information at a higher density than a normal digital method.
(従来の技術)
従来、記録材料の情報記録方法として、テルルの低酸化
物(TeOx)に熱を加えてアルモファスから結晶質あ
るいはその逆の相転移を起させ、あるい、光磁気記録の
ように、磁性材料に光を照射してその磁化方向を反転さ
せて論理値rOJか「1」で表わされるディジタル的な
情報を記録材料に記録させるディジタル方式の記録方法
が知られている。(Prior art) Conventionally, as a method for recording information on recording materials, heat is applied to a low tellurium oxide (TeOx) to cause a phase transition from amorphous to crystalline or vice versa, or as in magneto-optical recording. A digital recording method is known in which digital information represented by a logical value rOJ or "1" is recorded on the recording material by irradiating a magnetic material with light to reverse its magnetization direction.
(発明が解決しようとする問題点)
然し乍ら、上記従来の記録方法によれば、書き込み能力
が進歩しない限り、その記録のビット間距離は狭くなら
ず、従来の高密度化には限度がある。(Problems to be Solved by the Invention) However, according to the conventional recording method described above, unless the writing ability improves, the distance between recording bits will not become narrower, and there is a limit to the conventional high density.
(問題点を解決するための手段)
本発明は、従来のディジタル方式の記録方法に比し高密
度の記録を行なうことができる記録材料の情報記録方法
を提供することをその目的とするもので、光等のエネル
ギを加えることにより記録材料の複数の点に変化を与え
てディジタル的な情報を記録材料に記録する情報記録方
法において、加えるエネルギの量を変えることにより記
録材料の該複数の点のそれぞれに連続的あるいは段階的
な変化を与え、アナログ的あるいはディジタル的な情報
を記録するようにしたことを特徴とする。(Means for Solving the Problems) An object of the present invention is to provide a method for recording information on a recording material that can perform higher density recording than conventional digital recording methods. , an information recording method in which digital information is recorded on a recording material by applying energy such as light to a plurality of points on the recording material. It is characterized by giving continuous or stepwise changes to each of these and recording analog or digital information.
(作 用)
記録材料の複数の点に光等のエネルギが加わることによ
り該複数の点が変化し、該複数の点の配列の状態により
記録材料の平面上にディジタル的な記録がなされる。そ
して該複数の点のそれぞれに加わるエネルギの大きさが
変ることにより各点は連続的又は段階的に変化し、その
変化に応じたアナログ的あるいはディジタル的な情報の
記録がなされる。したがって記録材料には3次元的に記
録が行なわれ、記録密麿が通常のディジタル方式より多
くなる。(Function) When energy such as light is applied to a plurality of points on the recording material, the plurality of points change, and digital recording is performed on the plane of the recording material depending on the arrangement of the plurality of points. By changing the amount of energy applied to each of the plurality of points, each point changes continuously or stepwise, and analog or digital information corresponding to the change is recorded. Therefore, recording is performed on the recording material three-dimensionally, and the recording density is greater than in the normal digital method.
(実施例) 次に本発明の詳細な説明する。(Example) Next, the present invention will be explained in detail.
本発明の実施に使用する記録材料として、光、熱等のエ
ネルギの大きさを変えることにより、エネルギが加えら
れた点が蓄積的(すなわち連続的又は段階的)に光透過
率などの変化を起す材料、例えば本出願人が先に提案し
たリンが使用される(特願昭61−32765号参照)
。As a recording material used in carrying out the present invention, by changing the magnitude of energy such as light or heat, the point where energy is applied cumulatively (that is, continuously or stepwise) changes the light transmittance, etc. For example, phosphorus, which was previously proposed by the applicant, is used (see Japanese Patent Application No. 32765/1983).
.
今、エネルギの大きさを変えることにより例えば5段階
に変化を起すことができる記録材料を使用し、これに、
例えば1.2.10.128を5進符号としてそれぞれ
記録させた場合について説明する。Now, we are using a recording material that can change, for example, in five stages by changing the amount of energy, and with this,
For example, a case will be explained in which 1, 2, 10, 128 are respectively recorded as quinary codes.
第1図(A)に丸で示すように、1については記録材料
の5の重み位置に第1図(B)に長方形の高さで示すよ
う1の大きさの光等のエネルギを加えてその大きさに応
じた光透過率などの変化を起させる。同様に2について
は、記録材料の5の重み位置に2の大きさのエネルギを
、10については記録材料の5の重み位置に2の大ぎさ
のエネルギを、128については、記録材料の5の重み
位置に1の大きさのエネルギを、5の重み位置に3の大
きさのエネルギをそれぞれ加えてそれぞれの位置にエネ
ルギの大きさに応じた光透過率などの変化を起させる。As shown by the circle in Fig. 1 (A), for 1, energy such as light of size 1 is applied to the weight position of 5 on the recording material as shown by the height of the rectangle in Fig. 1 (B). The light transmittance changes depending on its size. Similarly, for 2, energy of magnitude 2 is applied to the weight position 5 of the recording material, for 10, energy of magnitude 2 is applied to the weight position 5 of the recording material, and for 128, energy of magnitude 2 is applied to the weight position 5 of the recording material. Energy of magnitude 1 is applied to the weight position, and energy of magnitude 3 is applied to the weight position of 5, causing a change in the light transmittance or the like in accordance with the magnitude of the energy at each position.
かくて通常のディジタル方式と同じように、記録材料に
は平面的な(2次元の)ディジタル方式の記録が行なわ
れ、それに加えて厚さ方向と考えることができるもう1
つの次元に記録が行なわれる。In this way, as with the normal digital method, a planar (two-dimensional) digital method is recorded on the recording material, and in addition, there is another dimension that can be thought of as the thickness direction.
Recording is done in two dimensions.
上述のようにして記録材料に記録した情報を再生する方
法としては、記録した情報に対応する記録材料の変化を
区別して再生することができる種々の方法が用いられる
。As a method for reproducing the information recorded on the recording material as described above, various methods are used that can distinguish and reproduce changes in the recording material corresponding to the recorded information.
かかる本発明の記録方法を記録材料としてリンを用いた
場合について詳述する。The recording method of the present invention will be described in detail regarding the case where phosphorus is used as the recording material.
リンは基材上に真空蒸着、スパッタリングなどの任意の
公知手段によって簿膜状(3000〜50000人)に
形成する。該基材としては、例えばマイラーフィルム等
のプラスチックシート、アクリル、ポリカーボネート等
のプラスチック板、ガラス板、ポリメチルメタクリレー
ト樹脂等の合成樹脂シートあるいはフィルム等の可視先
部透過材料であって、情報の書き込み、再生、消去等に
用いられるレーザ光を完全に吸収せず、且つ光照射によ
り変形しないものが使用される。Phosphorus is formed into a thin film (3,000 to 50,000 layers) on the substrate by any known means such as vacuum deposition or sputtering. The base material is, for example, a visible-end transparent material such as a plastic sheet such as Mylar film, a plastic plate such as acrylic or polycarbonate, a glass plate, or a synthetic resin sheet or film such as polymethyl methacrylate resin, on which information can be written. , a material that does not completely absorb laser light used for reproduction, erasing, etc., and does not deform when irradiated with light is used.
リンは、赤リン、紫リン等の赤色系リン、白リン又は過
冷却液体リン、一般にはこれらの混合物の白色系リンな
どがある。Examples of phosphorus include red phosphorus such as red phosphorus and purple phosphorus, white phosphorus or supercooled liquid phosphorus, and white phosphorus that is generally a mixture thereof.
基材に薄膜状に形成した白リン又は過冷却液体リンに情
報を記録する場合は、200nm以下の紫外線の照射又
は250℃以上570℃未満の温度への加熱あるいはこ
れ等の組合せが用いられる。When recording information on white phosphorus or supercooled liquid phosphorus formed in a thin film on a base material, irradiation with ultraviolet rays of 200 nm or less, heating to a temperature of 250° C. or more and less than 570° C., or a combination thereof is used.
紫外線を用いる場合、同一波長のときは照射時間を変え
、照射時間を一定としたときは波長を変え、あるいはそ
の両方を同時に行ない、加熱による場合、同じ熱エネル
ギのときは加熱時間を変え、加熱時間を一定にしたとき
は加熱温度を゛変え、あるいはその両者を同時に行ない
、紫外線の照射量又は加熱量を変えることによって白リ
ン又は過冷却液体リンは赤リンへ連続的あるいは段階的
に転移し、情報が連続的あるいは段階的に記録される。When using ultraviolet rays, change the irradiation time when the wavelength is the same, change the wavelength when the irradiation time is constant, or do both at the same time; when using ultraviolet rays, change the heating time when using the same thermal energy, When the time is constant, the heating temperature is changed, or both are performed simultaneously, and by changing the amount of ultraviolet irradiation or heating, white phosphorus or supercooled liquid phosphorus is converted into red phosphorus continuously or stepwise. , information is recorded continuously or in stages.
紫外線の照射又は加熱による白リン又は過冷却液体リン
から赤リンへの転移は光照射面又は加熱面から照射方向
又は加熱方向へ進み、紫外線の照射量又は加熱量に応じ
て記録材料の光透過率が変化する。The transition from white phosphorus or supercooled liquid phosphorus to red phosphorus due to ultraviolet irradiation or heating proceeds from the light irradiation surface or heating surface in the irradiation direction or heating direction, and the light transmission of the recording material changes depending on the amount of ultraviolet irradiation or heating. rate changes.
第2図は、5種類の情報を記録材料に記録させた時のそ
れぞれの光透過率曲線を示す。同図において、(a)は
記録を行なわないとき、すなわち白リン又は過冷却液体
リンのとき、(b)は記録を行ない赤リンのときの光透
過率曲線を示す。FIG. 2 shows the respective light transmittance curves when five types of information are recorded on the recording material. In the figure, (a) shows the light transmittance curve when no recording is performed, that is, when white phosphorus or supercooled liquid phosphorus is used, and (b) shows the light transmittance curve when recording is performed and red phosphorus is used.
紫外線の照射量又は加熱量を増加させ、白リン又は過冷
却液体リンから赤リンへの転移が進むに伴い曲線(0)
(1) (2) (3) (b)で示すように光透過
率が変化し、同一の再生光に対して5種類の透過率を示
す。記録材料に4種類のエネルギを加えて透過率曲線(
0) (1) (2) (3)を示すような4種類の情
報を記録した場合において、情報が記録された記録材料
の最大透過率(90%)と最小透過率(0%)の間を4
種類のエネルギと同じ4段階に等分した時、所定の波長
の再生光における透過率が67.5%〜90%の透過率
の範囲に入る透過率曲線(0)の場合の記録をrOJ以
下同様に45〜67.5%の範囲に入る透過率曲線(1
)の場合の記録を「1」、また、22〜45%の範囲に
入る透過率曲線(2)の場合の記録を「2」、また0〜
22%の範囲に入る透過率曲線(3)の場合の記録を「
3」と仮定すると、1つの点で4種類の記録が行なわれ
る。Curve (0) as the amount of ultraviolet irradiation or heating increases and the transition from white phosphorus or supercooled liquid phosphorus to red phosphorus progresses.
(1) (2) (3) As shown in (b), the light transmittance changes and shows five types of transmittance for the same reproduction light. The transmittance curve (
0) Between the maximum transmittance (90%) and minimum transmittance (0%) of the recording material on which the information is recorded when four types of information shown in (1) (2) (3) are recorded. 4
Record the case where the transmittance curve (0) falls within the transmittance range of 67.5% to 90% for reproduction light of a predetermined wavelength when divided equally into the same four stages as the type of energy. Below rOJ Similarly, the transmittance curve (1
), the record is "1", and the transmittance curve (2) in the range of 22-45% is "2", and the record is "2", and 0-45%.
The record for the transmittance curve (3) that falls within the range of 22% is
3'', four types of recording are performed at one point.
この透過率の4分割の場合、4種類の数字をそのまま変
換せずに記録できるため4進法の数字で記録することが
できる。10分割の場合、記録の種類はO〜9の10種
類となり、10進法の数字をそのまま変換せずに記録で
きる。透過率の区分を更に細分すると、その分割した数
と同等の数の種類の記録が1つの点で可能となる。透過
率の分割を連続的にすれば、1つの点にアナログ的な記
録をすることができる。In the case of dividing the transmittance into four, four types of numbers can be recorded as they are without being converted, so they can be recorded in quaternary numbers. In the case of 10 divisions, there are 10 types of recording from 0 to 9, and decimal numbers can be recorded as they are without conversion. If the transmittance classification is further subdivided, it becomes possible to record the same number of types as the number of subdivisions at one point. If the transmittance is divided continuously, analog recording can be made at one point.
記録材料の1点の変化区分を4分割にしだ場合4種類の
信号(0,1,2,3)を記録材料の1点に記録するこ
とができるので、2点に(0,0)、(0,1)、(i
、 o)、(1,1)と記録しなければならない通常の
ディジタル力感に比べて記録密度が2倍に増加する。ま
た記録材料の1点の透過率変化区分を更に細分する。す
なわち、には、通常のディジタル方式に比べて累べきの
指数の倍数だけ記録密度が高くなる。If the change division at one point on the recording material is divided into four, four types of signals (0, 1, 2, 3) can be recorded at one point on the recording material, so at two points (0, 0), (0,1), (i
, o), and (1, 1), the recording density is doubled compared to the usual digital force sense. Furthermore, the transmittance change section at one point on the recording material is further subdivided. That is, the recording density becomes higher by a multiple of the exponent than the normal digital method.
記録装置としては、時間変調型の光又は熱による記録方
式、波長変調型の光記録方程式、加熱変調型の記録方式
あるいはこれらの複合方式のものが用いられるが、装置
の簡便さの点から記録すべき情報を時系列の電気信号に
変換し、その信号に応じて強度変調されたレーザビーム
で記録材料上を走査させて行なう装置が好ましい。As a recording device, a time modulation type optical or thermal recording method, a wavelength modulation type optical recording method, a heat modulation type recording method, or a combination of these methods are used. It is preferable to use an apparatus that converts the information to be recorded into a time-series electrical signal and scans the recording material with a laser beam whose intensity is modulated according to the signal.
再生装置として、透過率を一定に保った場合の波長の変
化によるものあるいは一定の波長の光に対する透過率の
変化によるものなどが用いられるが、装置の簡便さの点
から、一定の波長光を用い、記録材料を透過する透過光
の変化により記録の変化を読み取り、再生する装置が好
ましい。As a reproducing device, one that changes the wavelength when the transmittance is kept constant or one that changes the transmittance for light of a certain wavelength is used, but from the point of view of the simplicity of the device, it is possible to It is preferable to use an apparatus that reads and reproduces changes in recording by changes in transmitted light that passes through the recording material.
尚、記録の書き込み操作により白リン又は過冷却液体リ
ンから赤リンに転移した部分あるい □は記録材料
全体を580℃以上の温度に加熱し、そこから急冷すれ
ば何も記録されていない状態に相当する白リン又は過冷
却液体リンに戻すことができる。したがって書き換えが
可能である。In addition, if the part or □ where white phosphorus or supercooled liquid phosphorus is converted to red phosphorus due to the recording operation is heated to a temperature of 580°C or higher and then rapidly cooled from there, nothing will be recorded. can be converted back to white phosphorus or supercooled liquid phosphorus corresponding to . Therefore, rewriting is possible.
次にリンから成る記録材料の情報記録方法の実施例につ
いて説明する。Next, an embodiment of a method for recording information on a recording material made of phosphorus will be described.
リンから成る記録材料としては、次のようにして製造さ
れたものを使用する。すなわち、リンの原料として6N
高純度(99,9%以上)の赤リンを用い、これをタン
グステンボードに入れ、1G’ Torr以上の排気し
た雰囲気中で、120rpmの速度で回転されるガラス
板上に2〜10人/分の蒸着速度で4500人の蒸着膜
を得た。この蒸着の際、外部より紫外線を照射し、紫外
線により気体からガラス板上で冷却さしれた白リン又は
過冷却液体リンを赤リンに転移させて赤リンの蒸着膜を
得る。As the recording material made of phosphorus, one manufactured as follows is used. In other words, 6N as a raw material for phosphorus
Using high-purity (99.9% or more) red phosphorus, it was placed in a tungsten board and placed on a glass plate rotated at a speed of 120 rpm in an exhausted atmosphere of 1 G' Torr or more for 2 to 10 people/min. 4,500 deposited films were obtained at a deposition rate of . During this vapor deposition, ultraviolet rays are irradiated from the outside, and the white phosphorus or supercooled liquid phosphorus cooled on the glass plate is converted from a gas by the ultraviolet rays to red phosphorus, thereby obtaining a red phosphorus vapor deposited film.
赤リンの蒸着膜上に透明な保護膜を形成させた後、これ
を300℃の炉に2時間保持し、熱緩和さゼることによ
り均一な赤リン膜とし、更に赤リンに300mJ /
ca以上のエネルギ密度を加えて透明な液体リンに転移
させ、急冷することにより均一な白リン又は過冷却液体
リンの蒸着膜を得た。After forming a transparent protective film on the red phosphorus vapor deposited film, this was kept in a 300°C furnace for 2 hours and thermally relaxed to form a uniform red phosphorus film.
A uniform vapor deposition film of white phosphorus or supercooled liquid phosphorus was obtained by applying an energy density of more than ca to transform it into transparent liquid phosphorus and rapidly cooling it.
このようにして製造された記録材料に501+1J/(
Hg(、120mJ /m及び250111J / c
Aのエネルギ密度で記録を行ない、再生光として0.8
W程度で400Mの光を用いた。この時のそれぞれの透
過率は70%、30%及び0%であった。501+1J/(
Hg (, 120 mJ/m and 250,111 J/c
Recording is performed with an energy density of A, and the reproduction light is 0.8
Light of approximately W and 400M was used. The respective transmittances at this time were 70%, 30%, and 0%.
1き込んだ記録を消去するときは、少なくとも記録を行
なった所を300mJ / ca以上のエネルギ密度を
加え、この操作を止めれば、膜厚の関係上瞬時に室温ま
で冷却されることになり、最初の何も記録されていない
状態(白リン又は過冷却液体リン)に戻る。1.When erasing recorded records, apply an energy density of 300 mJ/ca or higher to at least the recorded area, and if this operation is stopped, the area will be instantly cooled to room temperature due to the film thickness. Return to the initial state where nothing is recorded (white phosphorus or supercooled liquid phosphorus).
記録されたものを600℃以上650℃以下の炉内に2
分間保持し、その後急冷処置を施しても同様に記録を消
去することができる。Place the recorded items in a furnace at a temperature of 600℃ or higher and 650℃ or lower.
Records can be similarly erased by holding for a minute and then performing rapid cooling.
(発明の効果)
以上説明したように、本発明によるときは、記録材料の
複数の点にエネルギを加えることにより変化を与え、変
化した該複数の点の配列からディジタル的な情報を記録
材料に記録すると共に、該複数の点のそれぞれに連続的
あるいは段階的な変化を与え、アナログ的あるいはディ
ジタル的な情報を記録するようにしたので、従来のディ
ジタル方式の記録方法比べて記録密度が向上する効果を
有する。(Effects of the Invention) As explained above, according to the present invention, a change is made by applying energy to a plurality of points on a recording material, and digital information is transferred to the recording material from the changed arrangement of the plurality of points. At the same time as recording, continuous or stepwise changes are applied to each of the plurality of points to record analog or digital information, so the recording density is improved compared to conventional digital recording methods. have an effect.
第1図(A)及び(B)は、本発明の記録方法の1例を
説明するための線図、第2図は記録材料としてリンを使
用したときの光透過率曲線を示す図である。
(a)・・・記録しないときの光透過率曲線(0) (
1) (2) (3) (b)・・・種々の1ネルギ吊
で記録したときの光透過率曲線
再it
昭和 撃・8°月5 日FIGS. 1(A) and (B) are diagrams for explaining one example of the recording method of the present invention, and FIG. 2 is a diagram showing a light transmittance curve when phosphorus is used as the recording material. . (a)...Light transmittance curve when not recording (0) (
1) (2) (3) (b)...Light transmittance curves recorded at various 1-energy suspensions Showa era, August 5th
Claims (1)
の点に変化を与えてディジタル的な情報を記録材料に記
録する情報記録方法において、加えるエネルギの量を変
えることにより記録材料の該複数の点のそれぞれに連続
的あるいは段階的な変化を与え、アナログ的あるいはデ
ィジタル的な情報を記録するようにしたことを特徴とす
る記録材料の情報記録方法。 2、記録材料はリンであり、熱、光の少なくとも1つを
加えることにより白リン又は過冷却液体リンから赤リン
に変化させることを特徴とする特許請求の範囲第1項記
載の記録材料の情報記録方法。[Claims] 1. In an information recording method in which digital information is recorded on a recording material by applying energy such as light to change a plurality of points on the recording material, by changing the amount of energy applied. 1. A method for recording information on a recording material, characterized in that analog or digital information is recorded by continuously or stepwise changing each of the plurality of points on the recording material. 2. The recording material according to claim 1, characterized in that the recording material is phosphorus and is changed from white phosphorus or supercooled liquid phosphorus to red phosphorus by applying at least one of heat and light. Information recording method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62026334A JP2601266B2 (en) | 1987-02-09 | 1987-02-09 | Information recording method of recording material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62026334A JP2601266B2 (en) | 1987-02-09 | 1987-02-09 | Information recording method of recording material |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63195835A true JPS63195835A (en) | 1988-08-12 |
JP2601266B2 JP2601266B2 (en) | 1997-04-16 |
Family
ID=12190533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62026334A Expired - Lifetime JP2601266B2 (en) | 1987-02-09 | 1987-02-09 | Information recording method of recording material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2601266B2 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58166546A (en) * | 1982-03-29 | 1983-10-01 | Hitachi Ltd | Recording member and recording and reproducing method |
JPS58215735A (en) * | 1982-06-07 | 1983-12-15 | Sony Corp | Optical disc recording method |
JPS60242532A (en) * | 1985-01-25 | 1985-12-02 | Hitachi Ltd | Information recording carrier |
JPS61115274A (en) * | 1984-11-10 | 1986-06-02 | Nippon Telegr & Teleph Corp <Ntt> | Optical recording and reproducing system |
JPS61220133A (en) * | 1985-03-26 | 1986-09-30 | Citizen Watch Co Ltd | Recording system for optical disc |
JPS621125A (en) * | 1985-06-26 | 1987-01-07 | Matsushita Electric Ind Co Ltd | Optical disk recording and reproducing method |
-
1987
- 1987-02-09 JP JP62026334A patent/JP2601266B2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58166546A (en) * | 1982-03-29 | 1983-10-01 | Hitachi Ltd | Recording member and recording and reproducing method |
JPS58215735A (en) * | 1982-06-07 | 1983-12-15 | Sony Corp | Optical disc recording method |
JPS61115274A (en) * | 1984-11-10 | 1986-06-02 | Nippon Telegr & Teleph Corp <Ntt> | Optical recording and reproducing system |
JPS60242532A (en) * | 1985-01-25 | 1985-12-02 | Hitachi Ltd | Information recording carrier |
JPS61220133A (en) * | 1985-03-26 | 1986-09-30 | Citizen Watch Co Ltd | Recording system for optical disc |
JPS621125A (en) * | 1985-06-26 | 1987-01-07 | Matsushita Electric Ind Co Ltd | Optical disk recording and reproducing method |
Also Published As
Publication number | Publication date |
---|---|
JP2601266B2 (en) | 1997-04-16 |
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